Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
220046lightly pollutedexcellent111excellent
210058lightly pollutedexcellent111excellent
200051lightly pollutedexcellent111excellent
190058lightly pollutedexcellent111excellent
180057lightly pollutedexcellent121excellent
170056lightly pollutedexcellent111excellent
160051lightly pollutedexcellent121excellent
150038lightly pollutedexcellent121excellent
140049lightly pollutedexcellent111excellent
130051lightly pollutedexcellent111excellent
120038lightly pollutedexcellent111excellent
110040lightly pollutedexcellent101excellent
100030goodexcellent91excellent
090032goodexcellent91excellent
080031goodexcellent91excellent
070036goodexcellent81excellent
060027goodexcellent81excellent
050029goodexcellent81excellent
040032goodexcellent81excellent
030022goodexcellent81excellent
020051lightly pollutedexcellent81excellent
010044lightly pollutedexcellent81excellent
000035goodexcellent71excellent
230045lightly pollutedexcellent81excellent